Configure TLS authentication for Consul

You can secure Consul by enabling TLS to verify the authenticity of servers and clients. This requires every key pair to be generated by a single Certificate Authority (CA). To enable TLS authentication, follow the instructions below:

Generate a private Certificate Authority (CA) certificate and key

IMPORTANT: To follow the steps below, you need to have the Go environment set up. Read the Go official documentation to learn how to install Go.

Generate certificates for your Consul servers and clients

The CA key is used to sign the certificates of each Consul node in your cluster. The CA certificate contains the public key used to validate the certificates and has to be distributed to every Consul node.

To generate and sign certificates for the Consul server and clients, follow these steps: